<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 4.3.2 or newer
 *
 * @package		CodeIgniter
 * @author		ExpressionEngine Dev Team
 * @copyright	Copyright (c) 2008 - 2009, EllisLab, Inc.
 * @license		http://codeigniter.com/user_guide/license.html
 * @link		http://codeigniter.com
 * @since		Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------

/**
 * ODBTP Result Class
 *
 * This class extends the parent result class: CI_DB_result
 *
 * @category	Database
 * @author		James McPhail
 * @link		http://codeigniter.com/user_guide/database/
 */
class CI_DB_odbtp_result extends CI_DB_result {
	
	/**
	 * Number of rows in the result set
	 *
	 * @access	public
	 * @return	integer
	 */
	function num_rows()	{
		
		return @odbtp_num_rows($this->result_id);

	}
	
	// --------------------------------------------------------------------

	/**
	 * Number of fields in the result set
	 *
	 * @access	public
	 * @return	integer
	 */
	function num_fields()	{
		
		return @odbtp_num_fields($this->result_id);
	}

	// --------------------------------------------------------------------

	/**
	 * Fetch Field Names
	 *
	 * Generates an array of column names
	 *
	 * @access	public
	 * @return	array
	 */
	function list_fields()
	{
		$field_names = array();
		for ($i = 0; $i < $this->num_fields(); $i++)
		{
			$field_names[] 	= odbtp_field_name($this->result_id, $i);
		}
		
		return $field_names;
	}

	// --------------------------------------------------------------------

	/**
	 * Field data
	 *
	 * Generates an array of objects containing field meta-data
	 *
	 * @access	public
	 * @return	array
	 */
	function field_data()
	{
		$retval = array();
		for ($i = 0; $i < $this->num_fields(); $i++)
		{
			//$F 		= new stdClass();
			//$F->name 	= odbtp_field_name($this->result_id, $i);
			//$F->type 	= odbtp_field_type($this->result_id, $i);
			//$F->max_length	= odbtp_field_length($this->result_id, $i);
			//$F->schema	= odbtp_field_schema($this->result_id, $i);
			//$F->catalog	= odbtp_field_catalog($this->result_id, $i);
			//$F->table	= odbtp_field_table($this->result_id, $i);
			//$F->flags	= odbtp_field_flags($this->result_id, $i);
			//$F->bindtype	= odbtp_field_bindtype($this->result_id, $i);
			//$F->basename	= odbtp_field_basename($this->result_id, $i);			
			//$F->primary_key = 0;
			//$F->default	= '';

			//$retval[] = $F;
			
			//see http://odbtp.sourceforge.net/phpext.html#fetch_field for a list of field information
			$retval[] = odbtp_fetch_field($this->result_id, $i);
		}
		
		return $retval;
	}

	// --------------------------------------------------------------------

	/**
	 * Free the result
	 *
	 * @return	null
	 */		
	function free_result()
	{
		if (is_resource($this->result_id))
		{
			odbtp_free_query($this->result_id);
			$this->result_id = FALSE;
		}
	}

	// --------------------------------------------------------------------

	/**
	 * Data Seek
	 *
	 * Moves the internal pointer to the desired offset.  We call
	 * this internally before fetching results to make sure the
	 * result set starts at zero
	 *
	 * @access	private
	 * @return	array
	 */
	function _data_seek($n = 0)
	{
		return FALSE;
	}

	// --------------------------------------------------------------------

	/**
	 * Result - associative array
	 *
	 * Returns the result set as an array
	 *
	 * @access	private
	 * @return	array
	 */
	function _fetch_assoc()
	{		
		return @odbtp_fetch_assoc($this->result_id);
	}

	// --------------------------------------------------------------------

	/**
	 * Result - object
	 *
	 * Returns the result set as an object
	 *
	 * @access	private
	 * @return	object
	 */
	function _fetch_object()
	{		
		return @odbtp_fetch_object($this->result_id);		
	}

}


/* End of file odbtp_result.php */
/* Location: ./system/database/drivers/odbtp/odbtp_result.php */